IQ 5180 AT
Data[edit]
General
- Manufacturer: I.Q
- Model: 5180 AT
- Years of manufacture: 1987-1989
- Manufactured in: Essen/Germany
- Colour: oak P43, oak white, oak black, oak grey, mahogany, others against surcharge
- Dimensions: 335 x 1233 x 352 (W x H x D)
- Weight: 41 kg
- Original price approx.: 5.000,- DM (UVP pair)
Technical Data
- Type: 4-way TL resonator floorstanding speaker
- Chassis:
- Low-mid: 250 mm (Vifa M25WO-39-08).
- mid-bass: Vifa M21WJ-49-08
Midrange: 75 mm dome (Vifa D75MX-30-08)
- tweeter: 25 mm dome tweeter, SEAS 25 TAFC/D H0537 (no longer available)
- possible replacement domes: SEAS 27 TFF (H 831) or
- tweeter: 25 mm dome tweeter, SEAS 25 TAFC/D H0537 (no longer available)
MONACOR DT-254 (inner diameter of cabinet has to be reworked) mounting diameter: 85 mm
- power handling (nominal/music): 150/250 Watt
efficiency:
- Frequency response: 22 - 24,000 Hz.
- Transient response: (for LS with multiple drivers).
- Impedance: 4 Ohm
Technical Data Tweeter
- Original tweeter SEAS 25 TAFC/D H0537
Outer diameter: 110 mm
- Mounting diameter: 74.8 mm
- Mounting depth (incl. front): 41.5 mm
- Front panel thickness: 3.6 mm
- Impedance: 8 Ohm
Sound pressure: 90 dB SPL
- Frequency range: 2-25 kHz
- Resonant frequency: 1200 Hz
- Rated power: 90 W (IEC 268-5, VIA HIGH PASS BUTTERWORTH FILTER: 3000 Hz 12 dB/oct.)
Max. Power handling (short time)220 W (IEC 268-5, VIA HIGH PASS BUTTERWORTH FILTER: 3000 Hz 12 dB/oct.)
- DC resistance: 4.8 Ohm
- Voice coil inductance: 0.05 mH
- Linear excursion Xmax: 0.5 mm
- Magnet diameter: 74.8 mm
- Effective diaphragm area: 7.0 qcm
- Air gap height: 2.0 mm
- Flux density: 1.8 T
- Force factor (F/I): 3.5 N/A
voice coil diameter: 26 mm voice coil height: 1.5 mm
- Moving mass incl. air load: 0.33 g
- Diaphragm Material: Aluminum
- Magnet weight: 0.25 Kg
- Total weight: 0,50 Kg
- Source: SEAS Fabrikker AS, Norway
- possible replacement dome: SEAS 27 TFF (H 831) (differences in grease)
- outer diameter: 110 mm
- mounting diameter: 74.8 mm
- Mounting depth (incl. front): 27.5 mm
- Front panel thickness: 3.5 mm
- Impedance: 6 Ohm
- Sound pressure: 92 dB SPL
- Frequency range: 2-25 kHz
- Resonant frequency: 1200 Hz
- Rated power: 90 W (IEC 268-5, VIA HIGH PASS BUTTERWORTH FILTER: 2500 Hz 12 dB/oct.)
Max. Power handling (short time)220 W (IEC 268-5, VIA HIGH PASS BUTTERWORTH FILTER: 2500 Hz 12 dB/oct.)
- DC resistance: 4.8 Ohm
- Voice coil inductance: 0.05 mH
- Linear excursion Xmax: 0.5 mm
- Magnet diameter: 73.0 mm
- Effective diaphragm area: 7.5 qcm
- Air gap height: 2.0 mm
- Flux density: 1.8 T
- Force factor (F/I): 3.5 N/A
- Voice coil diameter: 26 mm
voice coil height: 1.5 mm
- Moving mass incl. air load: 0.30 g
- Diaphragm material: fabric diaphragm
- Magnet weight: 0,25 Kg
- Total weight: 0,50 Kg
- Cost: approx. 40,00 Euro
- Source: SEAS Fabrikker AS, Norway
Special equipment
- list here
Pictures[edit]
- IQ 5180 AT without cover .JPG
- IQ 5180 AT with cover.JPG
Remarks[edit]
Other models in the same series:
Reports[edit]
audio 10/1987
Upper class 3 ears
Total points 63